Trench Drains & Channel Drains

Trench Drains & Channel Drains

TRENCH DRAIN & CHANNEL DRAIN SYSTEMS

Trench drains (channel drains) are linear drainage systems that collect water along their entire length — ideal for garage entrances, driveway transitions, loading docks, commercial kitchens, pool decks, and any location where surface water needs to be intercepted along a line. We install precast polymer concrete channels, poured-in-place concrete channels, and prefabricated trench drain systems with appropriate grate covers (steel, cast iron, or polymer).

Starting at $30 per linear ft

Key Highlights

Linear water collection

intercepts surface water along the entire drain length.

Multiple grate options

steel, cast iron, polymer, and decorative grates for different load classes and aesthetics.

Indoor and outdoor

systems for garages, driveways, loading docks, commercial kitchens, and pool decks.

Why Choose Our Trench Drains & Channel Drains

Trench drains intercept surface water along their entire length, making them the ideal solution for garage entrances, driveway transitions, loading docks, and commercial floors. We install precast polymer concrete channels, poured-in-place concrete channels, and prefabricated systems with grate covers rated for the expected traffic loads.

Signs You Need Trench Drains & Channel Drains

1. Water flowing into garage

Rainwater or snowmelt runs down the driveway into your garage — a trench drain at the garage door threshold intercepts it.

Our Process

1

Step 1Layout and excavation

Trench excavation to required depth and grade with connection to outlet point.

2

Step 2Channel installation

Set channel sections to grade with proper fall toward the outlet.

3

Step 3Concrete and grate

Pour concrete around channels, set grate frames, and verify drainage flow.

Brands & Materials

  • ACO polymer concrete channels
  • Zurn trench drains
  • NDS channel drains

FAQs About Trench Drains & Channel Drains

What grate material should I choose?

Polymer/plastic grates for pedestrian-only areas, galvanized steel for residential vehicle traffic, cast iron for commercial vehicle traffic, and stainless steel for food service/sanitary applications. The grate must be rated for the expected load class — residential driveways typically need Class A or B rated grates.

Get a Free Estimate

763-373-4763Request Quote

Pricing

$30 - $75

per linear ft

*Varies by project scope and site conditions.

Related Services

Leave Concrete to the Pros

Because with Legacy General Services,You Get More Than a Guarantee

When you choose Legacy General Services for your concrete project in the NW Metro, you're choosing a partner committed to quality that lasts.

Reputation

MN-registered contractor since 2023. Insured and trusted by homeowners across the NW Metro.

Transparency

No hidden fees or surprise charges. Upfront pricing on every concrete project—big or small, start to finish.

Efficiency

On-time scheduling and reliable project timelines. We show up when we say we will and finish on schedule.

Quality

Air-entrained, freeze-thaw resistant concrete built for Minnesota winters. Every pour meets or exceeds code.